Relationship between Coronary Collateral Circulation and Left Ventricular End Diastolic Pressure and Plasma Levels of N-Terminal Pro-B-Type Natriuretic Peptide in Patients with Chronic Total Occlusion - ATAŞ, HALİL; SARI, İBRAHİM; YEŞİLDAĞ, OSMAN (ELSEVIER SCIENCE INC, 2013)